780368175

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5279}}^1$

素因数の和:5374

約数の個数: 60

約数和(自身を含む): 1465590720

約数和(自身を除く): 685222545

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 219, 225, 365, 405, 657, 675, 1095, 1825, 1971, 2025, 3285, 5279, 5475, 5913, 9855, 15837, 16425, 26395, 29565, 47511, 49275, 79185, 131975, 142533, 147825, 237555, 385367, 395925, 427599, 712665, 1156101, 1187775, 1926835, 2137995, 3468303, 3563325, 5780505, 9634175, 10404909, 10689975, 17341515, 28902525, 31214727, 52024545, 86707575, 156073635, 260122725, 780368175]

約数ペア:

[(1, 780368175), (3, 260122725), (5, 156073635), (9, 86707575), (15, 52024545), (25, 31214727), (27, 28902525), (45, 17341515), (73, 10689975), (75, 10404909), (81, 9634175), (135, 5780505), (219, 3563325), (225, 3468303), (365, 2137995), (405, 1926835), (657, 1187775), (675, 1156101), (1095, 712665), (1825, 427599), (1971, 395925), (2025, 385367), (3285, 237555), (5279, 147825), (5475, 142533), (5913, 131975), (9855, 79185), (15837, 49275), (16425, 47511), (26395, 29565)]